What is the Italian opening

The Italian game, also now as Giucco piano (Quiet game), is a family of chess openings starting with moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 The opening is defined by the development of the white bishop in c4, where he attacks the f7 square vulnerable of blacks. It is part of the large family of Open Games or Double King's Pawn Games.